docs(sealedProduct): remove example field for category

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[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (adb20d2) 100.00% compared to head (e01153c) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #593 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 1 1 Lines 69 69 Branches 27 27 ========================================= Hits 69 69 ```

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